1 files changed, 0 insertions, 6 deletions
diff --git a/railties/test/isolation/abstract_unit.rb b/railties/test/isolation/abstract_unit.rb
index 5be321ecf2..63209559d7 100644
--- a/railties/test/isolation/abstract_unit.rb
+++ b/railties/test/isolation/abstract_unit.rb
@@ -277,12 +277,6 @@ module TestHelpers
       end
     end
 
-    def gsub_app_file(path, regexp, *args, &block)
-      path = "#{app_path}/#{path}"
-      content = File.read(path).gsub(regexp, *args, &block)
-      File.open(path, 'wb') { |f| f.write(content) }
-    end
-
     def remove_file(path)
       FileUtils.rm_rf "#{app_path}/#{path}"
     end